Ohio Rev. Code § 2127.13: Necessary parties in sale by guardian.

In an action by a guardian to obtain authority to sell the real property of the guardian's ward the following persons shall be made parties defendant:

(A) The ward;

(B) The spouse of the ward;

(C) All persons entitled to the next estate of inheritance from the ward in the real property who are known to reside in Ohio, but their spouses need not be made parties defendant;

(D) All lienholders whose claims affect the real property or any part of the property;

(E) If the interest subject to the sale is equitable, all persons holding legal title to the real property or any part of the property;

(F) All other persons having an interest in the real property, other than creditors.